Improvement in window-sash locks



' UNITED` STATES PATENT OEEICE.-

WILLIAM E. ARNOLD, OF ROCHESTER, NEW YORK, ASSIGNOR TO G.

d ARNOLD AND J. H. CASTLE. v

IMPROVEMENT IN WINDOW-SASH LOCKS.

'Specitication forming part of Letters Patent No. 410, l 39. dated September 29, kde3.

To all whom t may concer-m Be it known that l, WILLIAM E. ARNOLD, of Rochester, in the county of Monroe and State of New York, have invented new and useful Improvements ina Fasteneror Lock for Window-Sash, of which the following is a full F and exact description, reference being had to the accompanying drawings, making part of the specification, and to the letters of reference marked thereon. Of said drawings, Figure l is a perspective view of the lock, which is designed to be applied crosswise of the sash, and maybe let in even. Fig. 2 is an insideview of the box, showing a plan of it, the nib A projecting in about one-sixteenth of an inch for the bolt to work upon. Fig. 3 is the same, with the bolt H Hv arranged for left hand, showing the joint B, slanting groove C, and notch E. Fig. 4 is the same, with thebolt H H arranged for right hand, showing the opposite side of the joint B, also groove F and notch G, 'which are also on the opposite side from that shown in Fig. 3. Fig. 5is an inside view of the back, which may be marked by a key or keys, to lock the bolt securely at pleasure, if desired. Fig. 6 shows thelock lying on its face with the back on. Figs. 7, 8, and 9 show plans of keys which may be used in locking or unlocking the bolt. Fig. l() shows the bolt H H with an adjustable joint, B B, for the purpose of adapting the former to the different widths of sash. (See, also, dotted lines in Fig. 3, letter N.)

The nature. of my invention consists in constructing a box with adjustable bolt so arranged as to form a combined horizontal and gravity motion to the latter, and at pleasure to form either a right or left hand fastener or lock 5 also, in securing the bolt from being pushed inward or upward by any pressure on the outward end of it, the whole being accom plished in great perfection without any additional complication, size, or cost; also, in arranging the bolt in combination with its horizontal and gravity motion, so as to accommodate its length to the differents widths of sash. To do this l construct a box, as shown in Figs. l and 2, and bolt, as shown in Figs. 3 and 4, letters H H; Jthe grooves O and F being of sufcient depth to admit the nib A, upon which the bolt works, the latter being guided Otherwise by the box, as there shown.

ln the views here given the bolt is down or v in the position to hold the sash up or down. When the-handle part is raised, as shown by the dotted lilies in Fig. 4, the outer end is drawn in on a horizontal line, and is the same as when the window is unfastened. It will be seen that the bolt falls and is carried forward by its own weight by means of the slanting grooves and nib A, the outer end from joint B returning in a horizontal line, or nearly so; that it takes all the space between the sides of the box, or nearly so, to work the handle of it for one hand or one hand or one side of the sash, and, as the nib A is half-way between the sides of the box, or nearly so, and the grooves, the same on either side of the bolt, thelatter needs only to be turned over to secure the same or a similar operation for the opposite side of the sash, thus making a combined horizontal and gravity motion, and a right andleft hand fastener or lock at pleasure in the most simple and easy manner. When the bolt is fully down, the notch E and G connects with the nib A. These, in combination withjointB,se cure the bolt from being pushed inward or upward by any pressure that may be brought to bear upon the outer end of it. When the joint in the bolt is not adjustable, as shown in Fig. 3, letter B. two or more lengths of locks will need to be made for the different widths of sash in many parts of the country; but by making the joint adjustable as shown in Fig. 10, letters B B, the bolt may be lengthenedat pleasure, and answer for diiferent widths of sash style, as shown by the dotted lines in Fig. 3, letter N. Usually one change will be suiicient, but there may be instances where more would be desirable. In extending the bolt the box if let into theA sash, will, of course, set in from the outside proportionally; but the bolt being large and sulcientlyr strong, and the space being covered by the molding or parting stop of the window, the lock answers'and appears equally as well as when the short Alength of bolt is used for a narrow sash. This arrangement renders the fastener much more desirable for those places where sash varies in width. When the fastener is made with only the box and bolt as above described, the anges or sides ofthe box should be a little more than the thickness ofthe bolt to let it work freely, but when desired a common back may be added, or one to look the bolt and Work by key, as shown in Figs. 5, 6, 7, 8, and 9. These Will not need much description here, the principle being substantially the same as described in a patent granted vto Wm. E. and H. G. Arnold, Oetober 8,

1861. The drawings here given will show its adaptation to this look, so that one skilled in the art Will readily seehow to make and use it.

Having thus fully described my invention and its utility, what I claim as new, and wish ally as herein set forth and described, to hold the sash up or down.

2. The noteh E or G, in combination with nib A, or its equivalent, and joint B or B B, for the purpose of securing the bolt when down from being pushed inward or upward by any pressure that may be brought to bear upon the outer end of' it, substantially as herein set forth and described.

3. The adjustable joint B B, when arranged with the bolt and box for the purpose of varying the length of the bolt to the different Widths of sash, as herein set forth and described.

XVM. E. A HNOLD.

Witnesses:

C. R. REMINGTON, H. N. ARNOLD. 

